Apogee Instruments SU-205 Manuale d'uso - Pagina 6
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SPECIFICATIONS
Power Supply
Output (sensitivity)
Calibration Factor (reciprocal of
sensitivity)
Calibration Uncertainty
Output Range
Measurement Range
Measurement Repeatability
Long-term Drift
Non-linearity
Response Time
Field of View
Spectral Range
Directional (Cosine) Response
Temperature Response
Operating Environment
Dimension
Mass (5 m of cable)
Cable
Calibration Traceability
Apogee UV series sensors are calibrated through side-by-side comparison to the mean of four transfer standard UV
sensors under UV-enhanced T5 fluorescent tubes. The transfer standard UV sensors are calibrated through side-
by-side comparison to an Apogee model PS-300 spectroradiometer under sunlight (clear sky conditions) in Logan,
Utah. The PS-300 is calibrated with a quartz halogen lamp traceable to the National Institute of Standards and
Technology (NIST).
300 to 400 nm (wavelengths where response is greater than 10 % of maximum; see Spectral
-30 to 85 C; 0 to 100 % relative humidity
5 m of shielded, twisted-pair wire; TPR jacket (high water resistance, high UV stability,
flexibility in cold conditions); pigtail lead wires; stainless steel (316), M8 connector located
SU-200-SS
Self-Powered
-2
0.1 mV per W m
;
0.03 mV per µmol m⁻² s⁻¹
10 W m
-2
per mV;
30 µmol m⁻² s⁻¹ per mV
± 10 %
0 to 10 mV
-2
0 to 100 W m
Less than 0.5 %
Less than 2 % per year
Less than 1 %
Less than 1 ms
180°
Response below)
± 2 % at 45°, ± 5 % at 70°
Less than 0.1 % per C
30.5 mm diameter, 37 mm height
140 g
25 cm from sensor head